html {
    font-size: 75%; /* 1 */
    -ms-text-size-adjust: 75%; /* 2 */
    -webkit-text-size-adjust: 75%; /* 2 */
}
	#mainnav span, #mainnav_home span {
		display:block;
		line-height: 20px;
	}
	
	#mainnav li, #mainnav_home li {
		line-height: 40px;
		padding:0 10px;
	}